1.а) 37.48 - 24.115 = 13.375
б) 0.481 * 3.5 = 1.6835
2. (17.88 * 0.4 - 3.052) : 410
17.88 * 0.4 = 7.152
7.152 - 3.052 = 4.1
4.1 : 410 = 0.01
3. 34% = 0.34
122%= 1,22
71,6%= 0,716
4. V = a*b*c
V = 3.2 * 4 * 7.11 = 91.01
5. 1) 140 км - 20%
x=80%
(140*80)/20=x
x= 11200/20
x=560